Home / 1,213,377.80-1,820,722.80-503,477.60

Finding the Fourth Proportional to 1,213,377.80, 1,820,722.80 and 503,477.60

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Solution

The fourth proportional to 1,213,377.80, 1,820,722.80 and 503,477.60 is: 755,488.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,377.80 : 1,820,722.80 = 503,477.60 : x
  2. Step 2: Convert to fraction form
    1,213,377.80/1,820,722.80 = 503,477.60/x
  3. Step 3: Cross multiply
    1,213,377.80x = 1,820,722.80 × 503,477.60
  4. Step 4: Simplify right side
    1,213,377.80x = 916,693,145,609.28
  5. Step 5: Solve for x
    x = 916,693,145,609.28/1,213,377.80
  6. Step 6: Final answer
    x = 755,488.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.